The capital of the USA（ ）

The capital of the USA（ ） what's the capital of the USA is the capital of the USA. which is the capital of USA It is the capital of (the USA/the UK) 读一读连成句子is the capital USA of the Washington Which is the capital city of the USA? The capital of the USA is Washingon DC.结构是什么 The capital of the USA is (Washington D C)提问 Indianapolis is the capital and largest city of Indiana,USA. ( ) city is the capital of USA 填" Which" 还是"What 读一读连成句子is the capital USA of the Washington D.C帮帮忙,谢谢